K-Nearest Neighbors Hashing

CVPR 2019 Xiangyu He Peisong Wang Jian Cheng

Hashing based approximate nearest neighbor search embeds high dimensional data to compact binary codes, which enables efficient similarity search and storage. However, the non-isometry sign() function makes it hard to project the nearest neighbors in continuous data space into the closest codewords in discrete Hamming space... (read more)

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